Invisibility Cloak Technology maybe closer than you think

"Scientists maybe a step closer to creating materials that will allow people and other objects to go invisible by redirecting light around 3D objects using metamaterials. Which are artificially engineered structures created at a nano scale that contain optical properties not found in nature."

http://www.gadgettastic.com/2008/08/17/invisibility-cloak-technology-maybe-closer-than-you-think/